Mostly it's the creeping sedums that are edible, but before testing them willynilly, note that a very few sedums are mildly toxic, such as Goldmoss Sedum (S. acre aurea), & can cause stomach upset if too much is eaten raw.
Not by humans.
They seem to leave Autumn Joy sedum alone but will eat Xenox sedum.
The biggest predator of sedum is slugs.
Sedum albomarginatum was created in 1975.
Sedum caeruleum was created in 1771.
Sedum ternatum was created in 1803.
Sedum oblanceolatum was created in 1975.
Sedum sieboldii was created in 1839.
Sedum dendroideum was created in 1828.
Sedum sexangulare was created in 1753.
Some people cut it back in early summer so the sedum does not get so high.